Plex-FAWE/worldedit-core/src/main/java/com/sk89q/worldedit/command/argument/RegistryConverter.java

114 lines
4.5 KiB
Java

/*
* WorldEdit, a Minecraft world manipulation toolkit
* Copyright (C) sk89q <http://www.sk89q.com>
* Copyright (C) WorldEdit team and contributors
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.sk89q.worldedit.command.argument;
import com.google.common.collect.ImmutableList;
import com.sk89q.worldedit.command.util.SuggestionHelper;
import com.sk89q.worldedit.registry.IRegistry;
import com.sk89q.worldedit.registry.Keyed;
import com.sk89q.worldedit.registry.Registry;
import com.sk89q.worldedit.util.formatting.text.Component;
import com.sk89q.worldedit.util.formatting.text.TextComponent;
import com.sk89q.worldedit.world.biome.BiomeType;
import com.sk89q.worldedit.world.block.BlockCategory;
import com.sk89q.worldedit.world.block.BlockType;
import com.sk89q.worldedit.world.block.BlockTypes;
import com.sk89q.worldedit.world.entity.EntityType;
import com.sk89q.worldedit.world.fluid.FluidCategory;
import com.sk89q.worldedit.world.fluid.FluidType;
import com.sk89q.worldedit.world.gamemode.GameMode;
import com.sk89q.worldedit.world.item.ItemCategory;
import com.sk89q.worldedit.world.item.ItemType;
import com.sk89q.worldedit.world.weather.WeatherType;
import org.enginehub.piston.CommandManager;
import org.enginehub.piston.converter.ArgumentConverter;
import org.enginehub.piston.converter.ConversionResult;
import org.enginehub.piston.converter.FailedConversion;
import org.enginehub.piston.converter.SuccessfulConversion;
import org.enginehub.piston.inject.InjectedValueAccess;
import org.enginehub.piston.inject.Key;
import java.lang.reflect.Field;
import java.util.List;
import java.util.stream.Collectors;
public final class RegistryConverter<V extends Keyed> implements ArgumentConverter<V> {
@SuppressWarnings("unchecked")
public static void register(CommandManager commandManager) {
ImmutableList.of(
BlockTypes.class,
BlockCategory.class,
ItemType.class,
ItemCategory.class,
BiomeType.class,
EntityType.class,
FluidType.class,
FluidCategory.class,
GameMode.class,
WeatherType.class
).stream()
.map(c -> (Class<Keyed>) c)
.forEach(registryType ->
commandManager.registerConverter(Key.of(registryType), from(registryType))
);
}
@SuppressWarnings("unchecked")
private static <V extends Keyed> RegistryConverter<V> from(Class<Keyed> registryType) {
try {
Field registryField = registryType.getDeclaredField("REGISTRY");
IRegistry<V> registry = (IRegistry<V>) registryField.get(null);
return new RegistryConverter<>(registry);
} catch (NoSuchFieldException e) {
throw new IllegalArgumentException("Not a registry-backed type: " + registryType.getName());
} catch (IllegalAccessException e) {
throw new IllegalStateException("Registry field inaccessible on " + registryType.getName());
}
}
private final IRegistry<V> registry;
private final TextComponent choices;
private RegistryConverter(IRegistry<V> registry) {
this.registry = registry;
this.choices = TextComponent.of("any " + registry.getName());
}
@Override
public Component describeAcceptableArguments() {
return this.choices;
}
@Override
public ConversionResult<V> convert(String argument, InjectedValueAccess injectedValueAccess) {
V result = registry.get(argument);
return result == null
? FailedConversion.from(new IllegalArgumentException(
"Not a valid " + registry.getName() + ": " + argument))
: SuccessfulConversion.fromSingle(result);
}
@Override
public List<String> getSuggestions(String input) {
return SuggestionHelper.getRegistrySuggestions(registry, input).collect(Collectors.toList());
}
}